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苯丙酮酸钠盐结晶过程 被引量:2
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作者 范伟平 吴月 +1 位作者 欧阳平凯 朱建良 《化工学报》 EI CAS CSCD 北大核心 1998年第1期87-91,共5页
The mixing-precipitation process for producing phenylpyruvic acid sodium salt(PPNa) by neutralization of phenylpyruic acid(PPA) with aqueous sodium hydroxide in a semi-batch stirred tank was studied.The effects of mix... The mixing-precipitation process for producing phenylpyruvic acid sodium salt(PPNa) by neutralization of phenylpyruic acid(PPA) with aqueous sodium hydroxide in a semi-batch stirred tank was studied.The effects of mixing characteristics and chemical characteristics on the precipitation process were investigated experimentally.It was found that the crystals growth rate and morphology obviously changed due to ripening.Crystal redissolution agglomeration and solvent inclusion also changed the purity of PPNa product considerably. 展开更多
关键词 半连续反应器 PPNa 结晶 苯丙酮酸钠
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